白头海雕 vs Coastal Dung Beetle
Haliaeetus leucocephalus compared with Onthophagus nigriventris
Key Differences
- 白头海雕 is Not Evaluated while Coastal Dung Beetle is Least Concern.
Taxonomic Classification
| Rank | 白头海雕 | Coastal Dung Beetle |
|---|---|---|
| Kingdom same | Animalia (动物界) | Animalia (动物界) |
| Phylum | Chordata (脊索动物门) | Arthropoda (节肢动物门) |
| Class | Aves (鳥綱) | Insecta (昆蟲綱) |
| Order | Accipitriformes (鷹形目) | Coleoptera (鞘翅目) |
| Family | Accipitridae (Hawks & Eagles) | Scarabaeidae |
| Genus | Haliaeetus (Sea Eagles) | Onthophagus |
| Species | Haliaeetus leucocephalus | Onthophagus nigriventris |
Evolutionary Relationship
白头海雕 and Coastal Dung Beetle share a common ancestor at the Kingdom level: Animalia. (动物界)
Conservation Status
白头海雕
NE — Not EvaluatedPopulation: ~316.7K
Trend: Increasing ↑
Coastal Dung Beetle
LC — Least ConcernPhysical Characteristics
| Attribute | 白头海雕 | Coastal Dung Beetle |
|---|---|---|
| Diet | Carnivore | — |
| Average Lifespan | 28 years | — |
| Average Length | 90 cm | — |
| Average Weight | 5.0 kg | — |
Habitat & Geographic Range
白头海雕
Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 10 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.
Widely distributed across Europe (8 countries), North America (United States), and South America (Ecuador).
Coastal Dung Beetle
Typically found in virtually all terrestrial and freshwater habitats.
Found in United States.
白头海雕
白头海雕是美国国鸟,也是美国生态保护史上的成功案例,曾因滴滴涕(DDT)的广泛使用而濒临灭绝,经保护措施的实施后种群数量已显著恢复。该物种在IUCN红色名录中被评估为无危(LC),以白色头颈和尾羽与深棕色体羽形成的鲜明对比为主要识别特征。它们主要以鱼类为食,也会捕食哺乳动物和腐肉。
Coastal Dung Beetle
Onthophagus nigriventris, the coastal dung beetle, is a scarabaeid beetle in the family Scarabaeidae, subfamily Scarabaeinae, recorded from coastal habitats in the United States. Dung beetles in the genus Onthophagus, comprising over 2,000 species and representing the most species-rich genus of beetles globally, play critical ecological roles as decomposers, burying mammal dung to provision nests in which females lay eggs and larvae develop. By transporting dung underground, Onthophagus beetles contribute to nutrient cycling, soil aeration, secondary seed dispersal from seeds present in dung, and reduction of parasite loads in livestock. The coastal association of O. nigriventris may reflect its association with marine mammal haul-out sites, seabird colonies, or the dung of coastal wildlife such as deer, raccoons, and feral animals in beach and dune systems. The species is assessed as Least Concern by the IUCN. Dung beetle communities have declined significantly in parts of North America and Europe due to widespread veterinary use of ivermectin and related antiparasitic drugs in livestock, which persist in dung and are lethal to beetle larvae developing within treated dung pats.
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